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arm64: compat: Add separate CP15 trapping hook
authorMarc Zyngier <marc.zyngier@arm.com>
Thu, 27 Sep 2018 16:15:29 +0000 (17:15 +0100)
committerCatalin Marinas <catalin.marinas@arm.com>
Mon, 1 Oct 2018 12:35:53 +0000 (13:35 +0100)
commit70c63cdfd6ee615714c5453cff370032587723c2
treeba5d980a83afa543fd7af5f7fbdce4ea8d05557a
parentbd7ac140b82f2bedfc792d8ccf9b2a108c1324f3
arm64: compat: Add separate CP15 trapping hook

Instead of directly generating an UNDEF when trapping a CP15 access,
let's add a new entry point to that effect (which only generates an
UNDEF for now).

Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
arch/arm64/kernel/entry.S
arch/arm64/kernel/traps.c